Home / 97,699.50-134,825.31-55,257.12

Finding the Fourth Proportional to 97,699.50, 134,825.31 and 55,257.12

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Solution

The fourth proportional to 97,699.50, 134,825.31 and 55,257.12 is: 76,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,699.50 : 134,825.31 = 55,257.12 : x
  2. Step 2: Convert to fraction form
    97,699.50/134,825.31 = 55,257.12/x
  3. Step 3: Cross multiply
    97,699.50x = 134,825.31 × 55,257.12
  4. Step 4: Simplify right side
    97,699.50x = 7,450,058,333.71
  5. Step 5: Solve for x
    x = 7,450,058,333.71/97,699.50
  6. Step 6: Final answer
    x = 76,254.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.